Bases of total Witt groups and lax-similitude

Abstract

We explain how to work with total Witt groups, more specifically, how to circumvent the classical embarrassment of making choices for line bundles up to isomorphisms and up to squares.

19 pages, 1 figure. Final version

Cited by in corpus (6)

• Fibrations in complete intersections of quadrics, Clifford algebras, derived categories, and rationality problems
• Quadric surface bundles over surfaces
• Chow-Witt rings of Grassmannians
• Surjectivity of the total Clifford invariant and Brauer dimension
• Albert algebras over Z and other rings
• Twisted Witt Groups of Flag Varieties